\newcommand{\infoTitle}{~Information}
\newcommand{\warnTitle}{~Important}
\newcommand{\alertTitle}{~Alert}
\newcommand{\tipTitle}{~Tip}
\newcommand{\helpTitle}{~Help}

\newcommand{\infoTitleFa}{\faInfoCircle[solid]\ }
\newcommand{\warnTitleFa}{\faExclamationTriangle[solid]\ }
\newcommand{\alertTitleFa}{\faTimesCircle[regular]\ }
\newcommand{\tipTitleFa}{\faHandPointRight[regular]\ }
\newcommand{\helpTitleFa}{\faQuestionCircle[regular]\ }

\newcommand{\introductionTitle}{Introduction}
\newcommand{\problemsetTitle}{Exercise}

\ifdefined\chaptername
\renewcommand{\chaptername}{Chapter \thechapter}
\fi